<form name="punchout_form" method="post" action="https://openapi-sandbox.dl.alipaydev.com/gateway.do?charset=utf-8&method=alipay.trade.page.pay&sign=MqM6qglbGes75kEV%2Fo0uxRHrtPf3bQHSGFWthlyAUugAMvtB8ixhABl36FCGHMNnIJXkIvuPNj8Ey6ekt4PIsKaDso9U1KMpPZ%2BxS9vE05MNim8GiESE6JnVzuE%2Fe3br9GNFIvoTAc1rw3Qk3fQVG8cF0%2B8ADpjAE58rtooGebPBU6IA8kaN2%2Fj%2FpffEbbaeYlOE6KZQaBZl%2Fm8z%2BngLVElSmq7076VfmeYVKBQDQ1n23XrQg%2B6DrAwIO45%2FU2KFYzvp57knDfCTa%2FgXGIIaNx5le8xa%2BkjvoncxnaxPxWbnpYAbWCJFmFAL7fpUCcxUwT9KS2n8%2FWUcxsidrI9vpw%3D%3D&return_url=https%3A%2F%2Fgaga.plus&notify_url=http%3A%2F%2Fnimo.natapp1.cc%2Fapi%2Fv1%2Falipay%2Falipay_notify_url&version=1.0&app_id=2021000147647930&sign_type=RSA2&timestamp=2025-03-31+16%3A28%3A31&alipay_sdk=alipay-sdk-java-4.38.157.ALL&format=json">
    <input type="hidden" name="biz_content" value="{&quot;out_trade_no&quot;:&quot;xfg2024092709120005&quot;,&quot;total_amount&quot;:&quot;0.01&quot;,&quot;subject&quot;:&quot;测试商品&quot;,&quot;product_code&quot;:&quot;FAST_INSTANT_TRADE_PAY&quot;}">
    <input type="submit" value="立即支付" style="display:none" >
</form>
<script>document.forms[0].submit();</script>